Pith Number

pith:36BPF5G7

pith:2015:36BPF5G7E52B4C5XOW6CVMRJ4P

not attested not anchored not stored refs pending

Willem Janszoon Blaeu

CNRS-UMR 8102, F-92195 Meudon cedex, France), Jean-Pierre Luminet (Laboratoire Univers et Th\'eories, Observatoire de Paris

arxiv:1503.08327 v1 · 2015-03-28 · physics.hist-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36BPF5G7E52B4C5XOW6CVMRJ4P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:20:02.113195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df82f2f4df27741e0bb775bc2ab229e3cceb5de7bbc0ced065603d5d3c7d461b

Aliases

arxiv: 1503.08327 · arxiv_version: 1503.08327v1 · doi: 10.48550/arxiv.1503.08327 · pith_short_12: 36BPF5G7E52B · pith_short_16: 36BPF5G7E52B4C5X · pith_short_8: 36BPF5G7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/36BPF5G7E52B4C5XOW6CVMRJ4P \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: df82f2f4df27741e0bb775bc2ab229e3cceb5de7bbc0ced065603d5d3c7d461b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf1f1c9281591c3ae84b227056c9dc439fd1e332bcf69e4bdc1499bd8d0b5379",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-03-28T17:07:25Z",
    "title_canon_sha256": "5c865a20db462e978951cb4aea9633a39d4abc881556028baa458a37965ebbe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08327",
    "kind": "arxiv",
    "version": 1
  }
}